Word War II began in Europe on September 1, 1939, and ended on May 8, 1945. The beginning of the war was marked by the German invasion of Poland, while the end is considered to be Germany's unconditional surrender.When did World War I really start and end?
World War I or the First World War, often abbreviated as WWI or WW1, was a global war originating in Europe that lasted from 28 July 1914 to 11 November 1918.Did Germany really start WW2?
Germany officially started World War II with the invasion of Poland on Sept. 1, 1939. Japan and China also engaged in war after the July 7, 1937 incident at Marco Polo Bridge near Beijing, China, which is also mentioned as the beginning of World War II. World War II began during the Great Depression, a period of instability.